Back to the basics with basic Let’s say for a moment that we’ve got an ordered list of numbers. 1,3,5,7,9,11,13,15,17,19,21,23,25 There are 13 values here and we want to check if the number 25 is in this list. One way to do this would be to loop over each element in the list and check to see if it matches what we’re looking for. In BASIC, we’d do something like